public class Main {
    public static void main(String[] args) {
        MyLinkedList linkedList = new MyLinkedList();
        linkedList.createList();
        linkedList.addFirst(1);
        linkedList.addFirst(1);
        linkedList.addFirst(1);
        linkedList.addFirst(1);
        linkedList.addFirst(1);
        linkedList.addFirst(1);
        linkedList.addFirst(1);
        linkedList.display();
        linkedList.removeAllKey(1);
        linkedList.display();



    }
}